X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/33b494d643e42a2e2963987cbc3637f4593ea43a..0b1cc7bffb94ebfb4bc988b9a7320b96ea0cfcda:/src/common/wincmn.cpp diff --git a/src/common/wincmn.cpp b/src/common/wincmn.cpp index 5922d27f4a..44b93da89d 100644 --- a/src/common/wincmn.cpp +++ b/src/common/wincmn.cpp @@ -1,12 +1,12 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: common/window.cpp +// Name: src/common/window.cpp // Purpose: common (to all ports) wxWindow functions // Author: Julian Smart, Vadim Zeitlin // Modified by: // Created: 13/07/98 // RCS-ID: $Id$ -// Copyright: (c) wxWindows team -// Licence: wxWindows license +// Copyright: (c) wxWidgets team +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "windowbase.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -33,28 +29,31 @@ #include "wx/log.h" #include "wx/intl.h" #include "wx/frame.h" - #include "wx/defs.h" #include "wx/window.h" #include "wx/control.h" #include "wx/checkbox.h" #include "wx/radiobut.h" + #include "wx/statbox.h" #include "wx/textctrl.h" #include "wx/settings.h" #include "wx/dialog.h" #include "wx/msgdlg.h" #include "wx/statusbr.h" -#endif //WX_PRECOMP - -#if wxUSE_CONSTRAINTS + #include "wx/toolbar.h" + #include "wx/dcclient.h" + #include "wx/scrolbar.h" #include "wx/layout.h" -#endif // wxUSE_CONSTRAINTS - -#include "wx/sizer.h" + #include "wx/sizer.h" +#endif //WX_PRECOMP #if wxUSE_DRAG_AND_DROP #include "wx/dnd.h" #endif // wxUSE_DRAG_AND_DROP +#if wxUSE_ACCESSIBILITY + #include "wx/access.h" +#endif + #if wxUSE_HELP #include "wx/cshelp.h" #endif // wxUSE_HELP @@ -67,11 +66,39 @@ #include "wx/caret.h" #endif // wxUSE_CARET +#if wxUSE_SYSTEM_OPTIONS + #include "wx/sysopt.h" +#endif + +// For reporting compile- and runtime version of GTK+ in the ctrl+alt+mclick dialog. +// The gtk includes don't pull any other headers in, at least not on my system - MR +#ifdef __WXGTK__ + #ifdef __WXGTK20__ + #include + #else + #include + #endif + extern const unsigned int gtk_major_version; + extern const unsigned int gtk_minor_version; + extern const unsigned int gtk_micro_version; +#endif + +#include "wx/platinfo.h" + +// Windows List +WXDLLIMPEXP_DATA_CORE(wxWindowList) wxTopLevelWindows; + // ---------------------------------------------------------------------------- // static data // ---------------------------------------------------------------------------- +#if defined(__WXPALMOS__) +int wxWindowBase::ms_lastControlId = 32767; +#elif defined(__WXPM__) +int wxWindowBase::ms_lastControlId = 2000; +#else int wxWindowBase::ms_lastControlId = -200; +#endif IMPLEMENT_ABSTRACT_CLASS(wxWindowBase, wxEvtHandler) @@ -85,7 +112,7 @@ BEGIN_EVENT_TABLE(wxWindowBase, wxEvtHandler) EVT_MIDDLE_DOWN(wxWindowBase::OnMiddleClick) #if wxUSE_HELP - EVT_HELP(-1, wxWindowBase::OnHelp) + EVT_HELP(wxID_ANY, wxWindowBase::OnHelp) #endif // wxUSE_HELP END_EVENT_TABLE() @@ -99,22 +126,24 @@ END_EVENT_TABLE() // ---------------------------------------------------------------------------- // the default initialization -void wxWindowBase::InitBase() +wxWindowBase::wxWindowBase() { // no window yet, no parent nor children m_parent = (wxWindow *)NULL; - m_windowId = -1; - m_children.DeleteContents( FALSE ); // don't auto delete node data + m_windowId = wxID_ANY; // no constraints on the minimal window size m_minWidth = + m_maxWidth = wxDefaultCoord; m_minHeight = - m_maxWidth = - m_maxHeight = -1; + m_maxHeight = wxDefaultCoord; - // window is created enabled but it's not visible yet - m_isShown = FALSE; - m_isEnabled = TRUE; + // invalidiated cache value + m_bestSizeCache = wxDefaultSize; + + // window are created enabled and visible by default + m_isShown = + m_isEnabled = true; // the default event handler is just this window m_eventHandler = this; @@ -124,29 +153,20 @@ void wxWindowBase::InitBase() m_windowValidator = (wxValidator *) NULL; #endif // wxUSE_VALIDATORS - // use the system default colours - m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE); - m_foregroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT); - - // don't set the font here for wxMSW as we don't call WM_SETFONT here and - // so the font is *not* really set - but calls to SetFont() later won't do - // anything because m_font appears to be already set! -#ifndef __WXMSW__ - m_font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT); -#endif // __WXMSW__ - - // the colours/fonts are default for now + // the colours/fonts are default for now, so leave m_font, + // m_backgroundColour and m_foregroundColour uninitialized and set those m_hasBgCol = m_hasFgCol = - m_hasFont = FALSE; + m_hasFont = false; + m_inheritBgCol = + m_inheritFgCol = + m_inheritFont = false; // no style bits m_exStyle = m_windowStyle = 0; - // an optimization for the event processing: checking this flag is much - // faster than using IsKindOf(CLASSINFO(wxWindow)) - m_isWindow = TRUE; + m_backgroundStyle = wxBG_STYLE_SYSTEM; #if wxUSE_CONSTRAINTS // no constraints whatsoever @@ -156,7 +176,7 @@ void wxWindowBase::InitBase() m_windowSizer = (wxSizer *) NULL; m_containingSizer = (wxSizer *) NULL; - m_autoLayout = FALSE; + m_autoLayout = false; #if wxUSE_DRAG_AND_DROP m_dropTarget = (wxDropTarget *)NULL; @@ -171,17 +191,35 @@ void wxWindowBase::InitBase() #endif // wxUSE_CARET #if wxUSE_PALETTE - m_hasCustomPalette = FALSE; + m_hasCustomPalette = false; #endif // wxUSE_PALETTE +#if wxUSE_ACCESSIBILITY + m_accessible = NULL; +#endif + m_virtualSize = wxDefaultSize; - m_minVirtualWidth = -1; - m_minVirtualHeight = -1; - m_maxVirtualWidth = -1; - m_maxVirtualHeight = -1; + + m_scrollHelper = (wxScrollHelper *) NULL; + + m_minVirtualWidth = + m_maxVirtualWidth = wxDefaultCoord; + m_minVirtualHeight = + m_maxVirtualHeight = wxDefaultCoord; + + m_windowVariant = wxWINDOW_VARIANT_NORMAL; +#if wxUSE_SYSTEM_OPTIONS + if ( wxSystemOptions::HasOption(wxWINDOW_DEFAULT_VARIANT) ) + { + m_windowVariant = (wxWindowVariant) wxSystemOptions::GetOptionInt( wxWINDOW_DEFAULT_VARIANT ) ; + } +#endif // Whether we're using the current theme for this window (wxGTK only for now) - m_themeEnabled = FALSE; + m_themeEnabled = false; + + // VZ: this one shouldn't exist... + m_isBeingDeleted = false; } // common part of window creation process @@ -190,16 +228,28 @@ bool wxWindowBase::CreateBase(wxWindowBase *parent, const wxPoint& WXUNUSED(pos), const wxSize& WXUNUSED(size), long style, - const wxValidator& validator, + const wxValidator& wxVALIDATOR_PARAM(validator), const wxString& name) { - // m_isWindow is set to TRUE in wxWindowBase::Init() as well as many other - // member variables - check that it has been called (will catch the case - // when a new ctor is added which doesn't call InitWindow) - wxASSERT_MSG( m_isWindow, wxT("Init() must have been called before!") ); +#if wxUSE_STATBOX + // wxGTK doesn't allow to create controls with static box as the parent so + // this will result in a crash when the program is ported to wxGTK so warn + // the user about it + + // if you get this assert, the correct solution is to create the controls + // as siblings of the static box + wxASSERT_MSG( !parent || !wxDynamicCast(parent, wxStaticBox), + _T("wxStaticBox can't be used as a window parent!") ); +#endif // wxUSE_STATBOX + + // ids are limited to 16 bits under MSW so if you care about portability, + // it's not a good idea to use ids out of this range (and negative ids are + // reserved for wxWidgets own usage) + wxASSERT_MSG( id == wxID_ANY || (id >= 0 && id < 32767), + _T("invalid id value") ); // generate a new id if the user doesn't care about it - m_windowId = id == -1 ? NewControlId() : id; + m_windowId = id == wxID_ANY ? NewControlId() : id; SetName(name); SetWindowStyleFlag(style); @@ -214,10 +264,10 @@ bool wxWindowBase::CreateBase(wxWindowBase *parent, // dialog/frame and all children will inherit it by defult if ( parent && (parent->GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) ) { - SetExtraStyle(wxWS_EX_VALIDATE_RECURSIVELY); + SetExtraStyle(GetExtraStyle() | wxWS_EX_VALIDATE_RECURSIVELY); } - return TRUE; + return true; } // ---------------------------------------------------------------------------- @@ -238,18 +288,34 @@ wxWindowBase::~wxWindowBase() // Just in case we've loaded a top-level window via LoadNativeDialog but // we weren't a dialog class - wxTopLevelWindows.DeleteObject(this); + wxTopLevelWindows.DeleteObject((wxWindow*)this); wxASSERT_MSG( GetChildren().GetCount() == 0, wxT("children not destroyed") ); + // reset the top-level parent's default item if it is this widget + if ( m_parent ) + { + wxTopLevelWindow *tlw = wxDynamicCast(wxGetTopLevelParent((wxWindow*)this), + wxTopLevelWindow); + + if ( tlw && tlw->GetDefaultItem() == this ) + tlw->SetDefaultItem(NULL); + if ( tlw && tlw->GetTmpDefaultItem() == this ) + tlw->SetTmpDefaultItem(NULL); + } + + // reset the dangling pointer our parent window may keep to us + if ( m_parent ) + { + m_parent->RemoveChild(this); + } + #if wxUSE_CARET - if ( m_caret ) - delete m_caret; + delete m_caret; #endif // wxUSE_CARET #if wxUSE_VALIDATORS - if ( m_windowValidator ) - delete m_windowValidator; + delete m_windowValidator; #endif // wxUSE_VALIDATORS #if wxUSE_CONSTRAINTS @@ -265,56 +331,47 @@ wxWindowBase::~wxWindowBase() delete m_constraints; m_constraints = NULL; } - #endif // wxUSE_CONSTRAINTS if ( m_containingSizer ) - m_containingSizer->Remove((wxWindow*)this); + m_containingSizer->Detach( (wxWindow*)this ); - if ( m_windowSizer ) - delete m_windowSizer; + delete m_windowSizer; #if wxUSE_DRAG_AND_DROP - if ( m_dropTarget ) - delete m_dropTarget; + delete m_dropTarget; #endif // wxUSE_DRAG_AND_DROP #if wxUSE_TOOLTIPS - if ( m_tooltip ) - delete m_tooltip; + delete m_tooltip; #endif // wxUSE_TOOLTIPS - // reset the dangling pointer our parent window may keep to us - if ( m_parent && m_parent->GetDefaultItem() == this ) - { - m_parent->SetDefaultItem(NULL); - } +#if wxUSE_ACCESSIBILITY + delete m_accessible; +#endif } bool wxWindowBase::Destroy() { delete this; - return TRUE; + return true; } bool wxWindowBase::Close(bool force) { wxCloseEvent event(wxEVT_CLOSE_WINDOW, m_windowId); event.SetEventObject(this); -#if WXWIN_COMPATIBILITY - event.SetForce(force); -#endif // WXWIN_COMPATIBILITY event.SetCanVeto(!force); - // return FALSE if window wasn't closed because the application vetoed the + // return false if window wasn't closed because the application vetoed the // close event return GetEventHandler()->ProcessEvent(event) && !event.GetVeto(); } bool wxWindowBase::DestroyChildren() { - wxWindowList::Node *node; + wxWindowList::compatibility_iterator node; for ( ;; ) { // we iterate until the list becomes empty @@ -324,16 +381,17 @@ bool wxWindowBase::DestroyChildren() wxWindow *child = node->GetData(); - wxASSERT_MSG( child, wxT("children list contains empty nodes") ); - - child->Show(FALSE); + // note that we really want to call delete and not ->Destroy() here + // because we want to delete the child immediately, before we are + // deleted, and delayed deletion would result in problems as our (top + // level) child could outlive its parent delete child; wxASSERT_MSG( !GetChildren().Find(child), wxT("child didn't remove itself using RemoveChild()") ); } - return TRUE; + return true; } // ---------------------------------------------------------------------------- @@ -341,140 +399,129 @@ bool wxWindowBase::DestroyChildren() // ---------------------------------------------------------------------------- // centre the window with respect to its parent in either (or both) directions -void wxWindowBase::Centre(int direction) +void wxWindowBase::DoCentre(int dir) { - // the position/size of the parent window or of the entire screen - wxPoint posParent; - int widthParent, heightParent; + wxCHECK_RET( !(dir & wxCENTRE_ON_SCREEN) && GetParent(), + _T("this method only implements centering child windows") ); - wxWindow *parent = NULL; + SetSize(GetRect().CentreIn(GetParent()->GetClientSize(), dir)); +} - if ( !(direction & wxCENTRE_ON_SCREEN) ) +// fits the window around the children +void wxWindowBase::Fit() +{ + if ( !GetChildren().empty() ) { - // find the parent to centre this window on: it should be the - // immediate parent for the controls but the top level parent for the - // top level windows (like dialogs) - parent = GetParent(); - if ( IsTopLevel() ) - { - while ( parent && !parent->IsTopLevel() ) - { - parent = parent->GetParent(); - } - } - - // did we find the parent? - if ( !parent ) - { - // no other choice - direction |= wxCENTRE_ON_SCREEN; - } + SetSize(GetBestSize()); } + //else: do nothing if we have no children +} - if ( direction & wxCENTRE_ON_SCREEN ) - { - // centre with respect to the whole screen - wxDisplaySize(&widthParent, &heightParent); - } - else +// fits virtual size (ie. scrolled area etc.) around children +void wxWindowBase::FitInside() +{ + if ( GetChildren().GetCount() > 0 ) { - if ( IsTopLevel() ) - { - // centre on the parent - parent->GetSize(&widthParent, &heightParent); - - // adjust to the parents position - posParent = parent->GetPosition(); - } - else - { - // centre inside the parents client rectangle - parent->GetClientSize(&widthParent, &heightParent); - } + SetVirtualSize( GetBestVirtualSize() ); } +} - int width, height; - GetSize(&width, &height); - - int xNew = -1, - yNew = -1; +// On Mac, scrollbars are explicitly children. +#ifdef __WXMAC__ +static bool wxHasRealChildren(const wxWindowBase* win) +{ + int realChildCount = 0; - if ( direction & wxHORIZONTAL ) - xNew = (widthParent - width)/2; + for ( wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst(); + node; + node = node->GetNext() ) + { + wxWindow *win = node->GetData(); + if ( !win->IsTopLevel() && win->IsShown() && !win->IsKindOf(CLASSINFO(wxScrollBar))) + realChildCount ++; + } + return (realChildCount > 0); +} +#endif - if ( direction & wxVERTICAL ) - yNew = (heightParent - height)/2; +void wxWindowBase::InvalidateBestSize() +{ + m_bestSizeCache = wxDefaultSize; - xNew += posParent.x; - yNew += posParent.y; + // parent's best size calculation may depend on its children's + // as long as child window we are in is not top level window itself + // (because the TLW size is never resized automatically) + // so let's invalidate it as well to be safe: + if (m_parent && !IsTopLevel()) + m_parent->InvalidateBestSize(); +} - // Base size of the visible dimensions of the display - // to take into account the taskbar - wxRect rect = wxGetClientDisplayRect(); - wxSize size (rect.width,rect.height); +// return the size best suited for the current window +wxSize wxWindowBase::DoGetBestSize() const +{ + wxSize best; - // NB: in wxMSW, negative position may not neccessary mean "out of screen", - // but it may mean that the window is placed on other than the main - // display. Therefore we only make sure centered window is on the main display - // if the parent is at least partially present here. - if (posParent.x + widthParent >= 0) // if parent is (partially) on the main display + if ( m_windowSizer ) { - if (xNew < 0) - xNew = 0; - else if (xNew+width > size.x) - xNew = size.x-width-1; + best = GetWindowSizeForVirtualSize(m_windowSizer->GetMinSize()); } - if (posParent.y + heightParent >= 0) // if parent is (partially) on the main display +#if wxUSE_CONSTRAINTS + else if ( m_constraints ) { - if (yNew+height > size.y) - yNew = size.y-height-1; + wxConstCast(this, wxWindowBase)->SatisfyConstraints(); - // Make certain that the title bar is initially visible - // always, even if this would push the bottom of the - // dialog of the visible area of the display - if (yNew < 0) - yNew = 0; - } + // our minimal acceptable size is such that all our windows fit inside + int maxX = 0, + maxY = 0; - // move the window to this position (keeping the old size but using - // SetSize() and not Move() to allow xNew and/or yNew to be -1) - SetSize(xNew, yNew, width, height, wxSIZE_ALLOW_MINUS_ONE); -} + for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst(); + node; + node = node->GetNext() ) + { + wxLayoutConstraints *c = node->GetData()->GetConstraints(); + if ( !c ) + { + // it's not normal that we have an unconstrained child, but + // what can we do about it? + continue; + } -// fits the window around the children -void wxWindowBase::Fit() -{ - if ( GetChildren().GetCount() > 0 ) - { - wxSize size = DoGetBestSize(); + int x = c->right.GetValue(), + y = c->bottom.GetValue(); - // for compatibility with the old versions and because it really looks - // slightly more pretty like this, add a pad - size.x += 7; - size.y += 14; + if ( x > maxX ) + maxX = x; - SetClientSize(size); - } - //else: do nothing if we have no children -} + if ( y > maxY ) + maxY = y; -// return the size best suited for the current window -wxSize wxWindowBase::DoGetBestSize() const -{ - if ( GetChildren().GetCount() > 0 ) + // TODO: we must calculate the overlaps somehow, otherwise we + // will never return a size bigger than the current one :-( + } + + best = wxSize(maxX, maxY); + } +#endif // wxUSE_CONSTRAINTS + else if ( !GetChildren().empty() +#ifdef __WXMAC__ + && wxHasRealChildren(this) +#endif + ) { - // our minimal acceptable size is such that all our windows fit inside + // our minimal acceptable size is such that all our visible child + // windows fit inside int maxX = 0, maxY = 0; - for ( wxWindowList::Node *node = GetChildren().GetFirst(); + for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst(); node; node = node->GetNext() ) { wxWindow *win = node->GetData(); if ( win->IsTopLevel() + || !win->IsShown() #if wxUSE_STATUSBAR - || wxDynamicCast(win, wxStatusBar) + || wxDynamicCast(win, wxStatusBar) #endif // wxUSE_STATUSBAR ) { @@ -489,9 +536,9 @@ wxSize wxWindowBase::DoGetBestSize() const // if the window hadn't been positioned yet, assume that it is in // the origin - if ( wx == -1 ) + if ( wx == wxDefaultCoord ) wx = 0; - if ( wy == -1 ) + if ( wy == wxDefaultCoord ) wy = 0; win->GetSize(&ww, &wh); @@ -501,33 +548,135 @@ wxSize wxWindowBase::DoGetBestSize() const maxY = wy + wh; } - return wxSize(maxX, maxY); + best = wxSize(maxX, maxY); } - else + else // ! has children + { + // for a generic window there is no natural best size so, if the + // minimal size is not set, use the current size but take care to + // remember it as minimal size for the next time because our best size + // should be constant: otherwise we could get into a situation when the + // window is initially at some size, then expanded to a larger size and + // then, when the containing window is shrunk back (because our initial + // best size had been used for computing the parent min size), we can't + // be shrunk back any more because our best size is now bigger + wxSize size = GetMinSize(); + if ( !size.IsFullySpecified() ) + { + size.SetDefaults(GetSize()); + wxConstCast(this, wxWindowBase)->SetMinSize(size); + } + + // return as-is, unadjusted by the client size difference. + return size; + } + + // Add any difference between size and client size + wxSize diff = GetSize() - GetClientSize(); + best.x += wxMax(0, diff.x); + best.y += wxMax(0, diff.y); + + return best; +} + + +wxSize wxWindowBase::GetBestFittingSize() const +{ + // merge the best size with the min size, giving priority to the min size + wxSize min = GetMinSize(); + if (min.x == wxDefaultCoord || min.y == wxDefaultCoord) { - // for a generic window there is no natural best size - just use the - // current one - return GetSize(); + wxSize best = GetBestSize(); + if (min.x == wxDefaultCoord) min.x = best.x; + if (min.y == wxDefaultCoord) min.y = best.y; } + return min; +} + + +void wxWindowBase::SetBestFittingSize(const wxSize& size) +{ + // Set the min size to the size passed in. This will usually either be + // wxDefaultSize or the size passed to this window's ctor/Create function. + SetMinSize(size); + + // Merge the size with the best size if needed + wxSize best = GetBestFittingSize(); + + // If the current size doesn't match then change it + if (GetSize() != best) + SetSize(best); } + // by default the origin is not shifted wxPoint wxWindowBase::GetClientAreaOrigin() const { - return wxPoint(0, 0); + return wxPoint(0,0); } // set the min/max size of the window -void wxWindowBase::SetSizeHints(int minW, int minH, - int maxW, int maxH, - int WXUNUSED(incW), int WXUNUSED(incH)) +void wxWindowBase::DoSetSizeHints(int minW, int minH, + int maxW, int maxH, + int WXUNUSED(incW), int WXUNUSED(incH)) { + // setting min width greater than max width leads to infinite loops under + // X11 and generally doesn't make any sense, so don't allow it + wxCHECK_RET( (minW == wxDefaultCoord || maxW == wxDefaultCoord || minW <= maxW) && + (minH == wxDefaultCoord || maxH == wxDefaultCoord || minH <= maxH), + _T("min width/height must be less than max width/height!") ); + m_minWidth = minW; m_maxWidth = maxW; m_minHeight = minH; m_maxHeight = maxH; } +void wxWindowBase::SetWindowVariant( wxWindowVariant variant ) +{ + if ( m_windowVariant != variant ) + { + m_windowVariant = variant; + + DoSetWindowVariant(variant); + } +} + +void wxWindowBase::DoSetWindowVariant( wxWindowVariant variant ) +{ + // adjust the font height to correspond to our new variant (notice that + // we're only called if something really changed) + wxFont font = GetFont(); + int size = font.GetPointSize(); + switch ( variant ) + { + case wxWINDOW_VARIANT_NORMAL: + break; + + case wxWINDOW_VARIANT_SMALL: + size *= 3; + size /= 4; + break; + + case wxWINDOW_VARIANT_MINI: + size *= 2; + size /= 3; + break; + + case wxWINDOW_VARIANT_LARGE: + size *= 5; + size /= 4; + break; + + default: + wxFAIL_MSG(_T("unexpected window variant")); + break; + } + + font.SetPointSize(size); + SetFont(font); +} + void wxWindowBase::SetVirtualSizeHints( int minW, int minH, int maxW, int maxH ) { @@ -535,31 +684,47 @@ void wxWindowBase::SetVirtualSizeHints( int minW, int minH, m_maxVirtualWidth = maxW; m_minVirtualHeight = minH; m_maxVirtualHeight = maxH; - - SetVirtualSize( GetClientSize() ); } void wxWindowBase::DoSetVirtualSize( int x, int y ) { - if( m_minVirtualWidth != -1 && m_minVirtualWidth > x ) x = m_minVirtualWidth; - if( m_maxVirtualWidth != -1 && m_maxVirtualWidth < x ) x = m_maxVirtualWidth; - if( m_minVirtualHeight != -1 && m_minVirtualHeight > y ) y = m_minVirtualHeight; - if( m_maxVirtualHeight != -1 && m_maxVirtualHeight < y ) y = m_maxVirtualHeight; + if ( m_minVirtualWidth != wxDefaultCoord && m_minVirtualWidth > x ) + x = m_minVirtualWidth; + if ( m_maxVirtualWidth != wxDefaultCoord && m_maxVirtualWidth < x ) + x = m_maxVirtualWidth; + if ( m_minVirtualHeight != wxDefaultCoord && m_minVirtualHeight > y ) + y = m_minVirtualHeight; + if ( m_maxVirtualHeight != wxDefaultCoord && m_maxVirtualHeight < y ) + y = m_maxVirtualHeight; - m_virtualSize.SetWidth( x ); - m_virtualSize.SetHeight( y ); + m_virtualSize = wxSize(x, y); } wxSize wxWindowBase::DoGetVirtualSize() const { - wxSize s( GetClientSize() ); + // we should use the entire client area so if it is greater than our + // virtual size, expand it to fit (otherwise if the window is big enough we + // wouldn't be using parts of it) + wxSize size = GetClientSize(); + if ( m_virtualSize.x > size.x ) + size.x = m_virtualSize.x; + + if ( m_virtualSize.y >= size.y ) + size.y = m_virtualSize.y; + + return size; +} - if( m_virtualSize.GetWidth() != -1 ) - s.SetWidth( m_virtualSize.GetWidth() ); - if( m_virtualSize.GetHeight() != -1 ) - s.SetHeight( m_virtualSize.GetHeight() ); +void wxWindowBase::DoGetScreenPosition(int *x, int *y) const +{ + // screen position is the same as (0, 0) in client coords for non TLWs (and + // TLWs override this method) + if ( x ) + *x = 0; + if ( y ) + *y = 0; - return s; + ClientToScreen(x, y); } // ---------------------------------------------------------------------------- @@ -572,11 +737,11 @@ bool wxWindowBase::Show(bool show) { m_isShown = show; - return TRUE; + return true; } else { - return FALSE; + return false; } } @@ -586,20 +751,27 @@ bool wxWindowBase::Enable(bool enable) { m_isEnabled = enable; - return TRUE; + return true; } else { - return FALSE; + return false; } } + +bool wxWindowBase::IsShownOnScreen() const +{ + return IsShown() && + (GetParent() == NULL || GetParent()->IsShownOnScreen()); +} + // ---------------------------------------------------------------------------- // RTTI // ---------------------------------------------------------------------------- bool wxWindowBase::IsTopLevel() const { - return FALSE; + return false; } // ---------------------------------------------------------------------------- @@ -613,9 +785,9 @@ void wxWindowBase::AddChild(wxWindowBase *child) // this should never happen and it will lead to a crash later if it does // because RemoveChild() will remove only one node from the children list // and the other(s) one(s) will be left with dangling pointers in them - wxASSERT_MSG( !GetChildren().Find(child), _T("AddChild() called twice") ); + wxASSERT_MSG( !GetChildren().Find((wxWindow*)child), _T("AddChild() called twice") ); - GetChildren().Append(child); + GetChildren().Append((wxWindow*)child); child->SetParent(this); } @@ -623,8 +795,8 @@ void wxWindowBase::RemoveChild(wxWindowBase *child) { wxCHECK_RET( child, wxT("can't remove a NULL child") ); - GetChildren().DeleteObject(child); - child->SetParent((wxWindow *)NULL); + GetChildren().DeleteObject((wxWindow *)child); + child->SetParent(NULL); } bool wxWindowBase::Reparent(wxWindowBase *newParent) @@ -633,7 +805,7 @@ bool wxWindowBase::Reparent(wxWindowBase *newParent) if ( newParent == oldParent ) { // nothing done - return FALSE; + return false; } // unlink this window from the existing parent. @@ -643,7 +815,7 @@ bool wxWindowBase::Reparent(wxWindowBase *newParent) } else { - wxTopLevelWindows.DeleteObject(this); + wxTopLevelWindows.DeleteObject((wxWindow *)this); } // add it to the new one @@ -653,10 +825,10 @@ bool wxWindowBase::Reparent(wxWindowBase *newParent) } else { - wxTopLevelWindows.Append(this); + wxTopLevelWindows.Append((wxWindow *)this); } - return TRUE; + return true; } // ---------------------------------------------------------------------------- @@ -665,7 +837,13 @@ bool wxWindowBase::Reparent(wxWindowBase *newParent) void wxWindowBase::PushEventHandler(wxEvtHandler *handler) { - handler->SetNextHandler(GetEventHandler()); + wxEvtHandler *handlerOld = GetEventHandler(); + + handler->SetNextHandler(handlerOld); + + if ( handlerOld ) + GetEventHandler()->SetPreviousHandler(handler); + SetEventHandler(handler); } @@ -676,7 +854,11 @@ wxEvtHandler *wxWindowBase::PopEventHandler(bool deleteHandler) { wxEvtHandler *handlerB = handlerA->GetNextHandler(); handlerA->SetNextHandler((wxEvtHandler *)NULL); + + if ( handlerB ) + handlerB->SetPreviousHandler((wxEvtHandler *)NULL); SetEventHandler(handlerB); + if ( deleteHandler ) { delete handlerA; @@ -689,7 +871,7 @@ wxEvtHandler *wxWindowBase::PopEventHandler(bool deleteHandler) bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handler) { - wxCHECK_MSG( handler, FALSE, _T("RemoveEventHandler(NULL) called") ); + wxCHECK_MSG( handler, false, _T("RemoveEventHandler(NULL) called") ); wxEvtHandler *handlerPrev = NULL, *handlerCur = GetEventHandler(); @@ -708,9 +890,15 @@ bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handler) SetEventHandler(handlerNext); } + if ( handlerNext ) + { + handlerNext->SetPreviousHandler ( handlerPrev ); + } + handler->SetNextHandler(NULL); + handler->SetPreviousHandler(NULL); - return TRUE; + return true; } handlerPrev = handlerCur; @@ -719,35 +907,133 @@ bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handler) wxFAIL_MSG( _T("where has the event handler gone?") ); - return FALSE; + return false; } // ---------------------------------------------------------------------------- -// cursors, fonts &c +// colours, fonts &c // ---------------------------------------------------------------------------- -bool wxWindowBase::SetBackgroundColour( const wxColour &colour ) +void wxWindowBase::InheritAttributes() { - if ( !colour.Ok() || (colour == m_backgroundColour) ) - return FALSE; + const wxWindowBase * const parent = GetParent(); + if ( !parent ) + return; - m_backgroundColour = colour; + // we only inherit attributes which had been explicitly set for the parent + // which ensures that this only happens if the user really wants it and + // not by default which wouldn't make any sense in modern GUIs where the + // controls don't all use the same fonts (nor colours) + if ( parent->m_inheritFont && !m_hasFont ) + SetFont(parent->GetFont()); - m_hasBgCol = TRUE; + // in addition, there is a possibility to explicitly forbid inheriting + // colours at each class level by overriding ShouldInheritColours() + if ( ShouldInheritColours() ) + { + if ( parent->m_inheritFgCol && !m_hasFgCol ) + SetForegroundColour(parent->GetForegroundColour()); - return TRUE; + // inheriting (solid) background colour is wrong as it totally breaks + // any kind of themed backgrounds + // + // instead, the controls should use the same background as their parent + // (ideally by not drawing it at all) +#if 0 + if ( parent->m_inheritBgCol && !m_hasBgCol ) + SetBackgroundColour(parent->GetBackgroundColour()); +#endif // 0 + } } -bool wxWindowBase::SetForegroundColour( const wxColour &colour ) +/* static */ wxVisualAttributes +wxWindowBase::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) { - if ( !colour.Ok() || (colour == m_foregroundColour) ) - return FALSE; + // it is important to return valid values for all attributes from here, + // GetXXX() below rely on this + wxVisualAttributes attrs; + attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT); + attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT); - m_foregroundColour = colour; + // On Smartphone/PocketPC, wxSYS_COLOUR_WINDOW is a better reflection of + // the usual background colour than wxSYS_COLOUR_BTNFACE. + // It's a pity that wxSYS_COLOUR_WINDOW isn't always a suitable background + // colour on other platforms. + +#if defined(__WXWINCE__) && (defined(__SMARTPHONE__) || defined(__POCKETPC__)) + attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW); +#else + attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE); +#endif + return attrs; +} + +wxColour wxWindowBase::GetBackgroundColour() const +{ + if ( !m_backgroundColour.Ok() ) + { + wxASSERT_MSG( !m_hasBgCol, _T("we have invalid explicit bg colour?") ); + + // get our default background colour + wxColour colBg = GetDefaultAttributes().colBg; + + // we must return some valid colour to avoid redoing this every time + // and also to avoid surprizing the applications written for older + // wxWidgets versions where GetBackgroundColour() always returned + // something -- so give them something even if it doesn't make sense + // for this window (e.g. it has a themed background) + if ( !colBg.Ok() ) + colBg = GetClassDefaultAttributes().colBg; - m_hasFgCol = TRUE; + return colBg; + } + else + return m_backgroundColour; +} + +wxColour wxWindowBase::GetForegroundColour() const +{ + // logic is the same as above + if ( !m_hasFgCol && !m_foregroundColour.Ok() ) + { + wxASSERT_MSG( !m_hasFgCol, _T("we have invalid explicit fg colour?") ); + + wxColour colFg = GetDefaultAttributes().colFg; + + if ( !colFg.Ok() ) + colFg = GetClassDefaultAttributes().colFg; + + return colFg; + } + else + return m_foregroundColour; +} + +bool wxWindowBase::SetBackgroundColour( const wxColour &colour ) +{ + if ( colour == m_backgroundColour ) + return false; + + m_hasBgCol = colour.Ok(); + if ( m_backgroundStyle != wxBG_STYLE_CUSTOM ) + m_backgroundStyle = m_hasBgCol ? wxBG_STYLE_COLOUR : wxBG_STYLE_SYSTEM; - return TRUE; + m_inheritBgCol = m_hasBgCol; + m_backgroundColour = colour; + SetThemeEnabled( !m_hasBgCol && !m_foregroundColour.Ok() ); + return true; +} + +bool wxWindowBase::SetForegroundColour( const wxColour &colour ) +{ + if (colour == m_foregroundColour ) + return false; + + m_hasFgCol = colour.Ok(); + m_inheritFgCol = m_hasFgCol; + m_foregroundColour = colour; + SetThemeEnabled( !m_hasFgCol && !m_backgroundColour.Ok() ); + return true; } bool wxWindowBase::SetCursor(const wxCursor& cursor) @@ -757,37 +1043,53 @@ bool wxWindowBase::SetCursor(const wxCursor& cursor) if ( m_cursor == cursor ) { // no change - return FALSE; + return false; } m_cursor = cursor; - return TRUE; + return true; } -bool wxWindowBase::SetFont(const wxFont& font) +wxFont wxWindowBase::GetFont() const { - // don't try to set invalid font, always fall back to the default - const wxFont& fontOk = font.Ok() ? font : *wxSWISS_FONT; + // logic is the same as in GetBackgroundColour() + if ( !m_font.Ok() ) + { + wxASSERT_MSG( !m_hasFont, _T("we have invalid explicit font?") ); + + wxFont font = GetDefaultAttributes().font; + if ( !font.Ok() ) + font = GetClassDefaultAttributes().font; + + return font; + } + else + return m_font; +} - if ( fontOk == m_font ) +bool wxWindowBase::SetFont(const wxFont& font) +{ + if ( font == m_font ) { // no change - return FALSE; + return false; } - m_font = fontOk; + m_font = font; + m_hasFont = font.Ok(); + m_inheritFont = m_hasFont; - m_hasFont = TRUE; + InvalidateBestSize(); - return TRUE; + return true; } #if wxUSE_PALETTE void wxWindowBase::SetPalette(const wxPalette& pal) { - m_hasCustomPalette = TRUE; + m_hasCustomPalette = true; m_palette = pal; // VZ: can anyone explain me what do we do here? @@ -839,7 +1141,7 @@ void wxWindowBase::SetValidator(const wxValidator& validator) m_windowValidator = (wxValidator *)validator.Clone(); if ( m_windowValidator ) - m_windowValidator->SetWindow(this) ; + m_windowValidator->SetWindow(this); } #endif // wxUSE_VALIDATORS @@ -859,27 +1161,38 @@ wxRect wxWindowBase::GetUpdateClientRect() const return rectUpdate; } -bool wxWindowBase::IsExposed(int x, int y) const +bool wxWindowBase::DoIsExposed(int x, int y) const { return m_updateRegion.Contains(x, y) != wxOutRegion; } -bool wxWindowBase::IsExposed(int x, int y, int w, int h) const +bool wxWindowBase::DoIsExposed(int x, int y, int w, int h) const { return m_updateRegion.Contains(x, y, w, h) != wxOutRegion; } +void wxWindowBase::ClearBackground() +{ + // wxGTK uses its own version, no need to add never used code +#ifndef __WXGTK__ + wxClientDC dc((wxWindow *)this); + wxBrush brush(GetBackgroundColour(), wxSOLID); + dc.SetBackground(brush); + dc.Clear(); +#endif // __WXGTK__ +} + // ---------------------------------------------------------------------------- -// find window by id or name +// find child window by id or name // ---------------------------------------------------------------------------- -wxWindow *wxWindowBase::FindWindow( long id ) +wxWindow *wxWindowBase::FindWindow(long id) const { if ( id == m_windowId ) return (wxWindow *)this; wxWindowBase *res = (wxWindow *)NULL; - wxWindowList::Node *node; + wxWindowList::compatibility_iterator node; for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() ) { wxWindowBase *child = node->GetData(); @@ -889,13 +1202,13 @@ wxWindow *wxWindowBase::FindWindow( long id ) return (wxWindow *)res; } -wxWindow *wxWindowBase::FindWindow( const wxString& name ) +wxWindow *wxWindowBase::FindWindow(const wxString& name) const { if ( name == m_windowName ) return (wxWindow *)this; wxWindowBase *res = (wxWindow *)NULL; - wxWindowList::Node *node; + wxWindowList::compatibility_iterator node; for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() ) { wxWindow *child = node->GetData(); @@ -905,50 +1218,169 @@ wxWindow *wxWindowBase::FindWindow( const wxString& name ) return (wxWindow *)res; } -// ---------------------------------------------------------------------------- -// dialog oriented functions -// ---------------------------------------------------------------------------- -void wxWindowBase::MakeModal(bool modal) +// find any window by id or name or label: If parent is non-NULL, look through +// children for a label or title matching the specified string. If NULL, look +// through all top-level windows. +// +// to avoid duplicating code we reuse the same helper function but with +// different comparators + +typedef bool (*wxFindWindowCmp)(const wxWindow *win, + const wxString& label, long id); + +static +bool wxFindWindowCmpLabels(const wxWindow *win, const wxString& label, + long WXUNUSED(id)) { - // Disable all other windows - if ( IsTopLevel() ) + return win->GetLabel() == label; +} + +static +bool wxFindWindowCmpNames(const wxWindow *win, const wxString& label, + long WXUNUSED(id)) +{ + return win->GetName() == label; +} + +static +bool wxFindWindowCmpIds(const wxWindow *win, const wxString& WXUNUSED(label), + long id) +{ + return win->GetId() == id; +} + +// recursive helper for the FindWindowByXXX() functions +static +wxWindow *wxFindWindowRecursively(const wxWindow *parent, + const wxString& label, + long id, + wxFindWindowCmp cmp) +{ + if ( parent ) { - wxWindowList::Node *node = wxTopLevelWindows.GetFirst(); - while (node) - { - wxWindow *win = node->GetData(); - if (win != this) - win->Enable(!modal); + // see if this is the one we're looking for + if ( (*cmp)(parent, label, id) ) + return (wxWindow *)parent; - node = node->GetNext(); + // It wasn't, so check all its children + for ( wxWindowList::compatibility_iterator node = parent->GetChildren().GetFirst(); + node; + node = node->GetNext() ) + { + // recursively check each child + wxWindow *win = (wxWindow *)node->GetData(); + wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp); + if (retwin) + return retwin; } } + + // Not found + return NULL; } -bool wxWindowBase::Validate() +// helper for FindWindowByXXX() +static +wxWindow *wxFindWindowHelper(const wxWindow *parent, + const wxString& label, + long id, + wxFindWindowCmp cmp) { -#if wxUSE_VALIDATORS + if ( parent ) + { + // just check parent and all its children + return wxFindWindowRecursively(parent, label, id, cmp); + } + + // start at very top of wx's windows + for ( wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst(); + node; + node = node->GetNext() ) + { + // recursively check each window & its children + wxWindow *win = node->GetData(); + wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp); + if (retwin) + return retwin; + } + + return NULL; +} + +/* static */ +wxWindow * +wxWindowBase::FindWindowByLabel(const wxString& title, const wxWindow *parent) +{ + return wxFindWindowHelper(parent, title, 0, wxFindWindowCmpLabels); +} + +/* static */ +wxWindow * +wxWindowBase::FindWindowByName(const wxString& title, const wxWindow *parent) +{ + wxWindow *win = wxFindWindowHelper(parent, title, 0, wxFindWindowCmpNames); + + if ( !win ) + { + // fall back to the label + win = FindWindowByLabel(title, parent); + } + + return win; +} + +/* static */ +wxWindow * +wxWindowBase::FindWindowById( long id, const wxWindow* parent ) +{ + return wxFindWindowHelper(parent, wxEmptyString, id, wxFindWindowCmpIds); +} + +// ---------------------------------------------------------------------------- +// dialog oriented functions +// ---------------------------------------------------------------------------- + +void wxWindowBase::MakeModal(bool modal) +{ + // Disable all other windows + if ( IsTopLevel() ) + { + wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst(); + while (node) + { + wxWindow *win = node->GetData(); + if (win != this) + win->Enable(!modal); + + node = node->GetNext(); + } + } +} + +bool wxWindowBase::Validate() +{ +#if wxUSE_VALIDATORS bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0; - wxWindowList::Node *node; + wxWindowList::compatibility_iterator node; for ( node = m_children.GetFirst(); node; node = node->GetNext() ) { wxWindowBase *child = node->GetData(); wxValidator *validator = child->GetValidator(); if ( validator && !validator->Validate((wxWindow *)this) ) { - return FALSE; + return false; } if ( recurse && !child->Validate() ) { - return FALSE; + return false; } } #endif // wxUSE_VALIDATORS - return TRUE; + return true; } bool wxWindowBase::TransferDataToWindow() @@ -956,7 +1388,7 @@ bool wxWindowBase::TransferDataToWindow() #if wxUSE_VALIDATORS bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0; - wxWindowList::Node *node; + wxWindowList::compatibility_iterator node; for ( node = m_children.GetFirst(); node; node = node->GetNext() ) { wxWindowBase *child = node->GetData(); @@ -964,9 +1396,11 @@ bool wxWindowBase::TransferDataToWindow() if ( validator && !validator->TransferToWindow() ) { wxLogWarning(_("Could not transfer data to window")); +#if wxUSE_LOG wxLog::FlushActive(); +#endif // wxUSE_LOG - return FALSE; + return false; } if ( recurse ) @@ -974,13 +1408,13 @@ bool wxWindowBase::TransferDataToWindow() if ( !child->TransferDataToWindow() ) { // warning already given - return FALSE; + return false; } } } #endif // wxUSE_VALIDATORS - return TRUE; + return true; } bool wxWindowBase::TransferDataFromWindow() @@ -988,7 +1422,7 @@ bool wxWindowBase::TransferDataFromWindow() #if wxUSE_VALIDATORS bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0; - wxWindowList::Node *node; + wxWindowList::compatibility_iterator node; for ( node = m_children.GetFirst(); node; node = node->GetNext() ) { wxWindow *child = node->GetData(); @@ -998,7 +1432,7 @@ bool wxWindowBase::TransferDataFromWindow() // nop warning here because the application is supposed to give // one itself - we don't know here what might have gone wrongly - return FALSE; + return false; } if ( recurse ) @@ -1006,13 +1440,13 @@ bool wxWindowBase::TransferDataFromWindow() if ( !child->TransferDataFromWindow() ) { // warning already given - return FALSE; + return false; } } } #endif // wxUSE_VALIDATORS - return TRUE; + return true; } void wxWindowBase::InitDialog() @@ -1050,7 +1484,10 @@ void wxWindowBase::SetHelpTextForId(const wxString& text) } // get the help string associated with this window (may be empty) -wxString wxWindowBase::GetHelpText() const +// default implementation forwards calls to the help provider +wxString +wxWindowBase::GetHelpTextAtPoint(const wxPoint & WXUNUSED(pt), + wxHelpEvent::Origin WXUNUSED(origin)) const { wxString text; wxHelpProvider *helpProvider = wxHelpProvider::Get(); @@ -1068,7 +1505,7 @@ void wxWindowBase::OnHelp(wxHelpEvent& event) wxHelpProvider *helpProvider = wxHelpProvider::Get(); if ( helpProvider ) { - if ( helpProvider->ShowHelp(this) ) + if ( helpProvider->ShowHelpAtPoint(this, event.GetPosition(), event.GetOrigin()) ) { // skip the event.Skip() below return; @@ -1104,10 +1541,13 @@ void wxWindowBase::SetToolTip( const wxString &tip ) void wxWindowBase::DoSetToolTip(wxToolTip *tooltip) { - if ( m_tooltip ) - delete m_tooltip; + if ( m_tooltip != tooltip ) + { + if ( m_tooltip ) + delete m_tooltip; - m_tooltip = tooltip; + m_tooltip = tooltip; + } } #endif // wxUSE_TOOLTIPS @@ -1179,15 +1619,15 @@ void wxWindowBase::AddConstraintReference(wxWindowBase *otherWin) { if ( !m_constraintsInvolvedIn ) m_constraintsInvolvedIn = new wxWindowList; - if ( !m_constraintsInvolvedIn->Find(otherWin) ) - m_constraintsInvolvedIn->Append(otherWin); + if ( !m_constraintsInvolvedIn->Find((wxWindow *)otherWin) ) + m_constraintsInvolvedIn->Append((wxWindow *)otherWin); } // REMOVE back-pointer to other windows we're involved with. void wxWindowBase::RemoveConstraintReference(wxWindowBase *otherWin) { if ( m_constraintsInvolvedIn ) - m_constraintsInvolvedIn->DeleteObject(otherWin); + m_constraintsInvolvedIn->DeleteObject((wxWindow *)otherWin); } // Reset any constraints that mention this window @@ -1195,7 +1635,7 @@ void wxWindowBase::DeleteRelatedConstraints() { if ( m_constraintsInvolvedIn ) { - wxWindowList::Node *node = m_constraintsInvolvedIn->GetFirst(); + wxWindowList::compatibility_iterator node = m_constraintsInvolvedIn->GetFirst(); while (node) { wxWindow *win = node->GetData(); @@ -1214,8 +1654,8 @@ void wxWindowBase::DeleteRelatedConstraints() constr->centreY.ResetIfWin(this); } - wxWindowList::Node *next = node->GetNext(); - delete node; + wxWindowList::compatibility_iterator next = node->GetNext(); + m_constraintsInvolvedIn->Erase(node); node = next; } @@ -1223,15 +1663,29 @@ void wxWindowBase::DeleteRelatedConstraints() m_constraintsInvolvedIn = (wxWindowList *) NULL; } } -#endif + +#endif // wxUSE_CONSTRAINTS void wxWindowBase::SetSizer(wxSizer *sizer, bool deleteOld) { - if (m_windowSizer && deleteOld) delete m_windowSizer; + if ( sizer == m_windowSizer) + return; + + if ( m_windowSizer ) + { + m_windowSizer->SetContainingWindow(NULL); + + if ( deleteOld ) + delete m_windowSizer; + } m_windowSizer = sizer; + if ( m_windowSizer ) + { + m_windowSizer->SetContainingWindow((wxWindow *)this); + } - SetAutoLayout( sizer != 0 ); + SetAutoLayout(m_windowSizer != NULL); } void wxWindowBase::SetSizerAndFit(wxSizer *sizer, bool deleteOld) @@ -1240,109 +1694,142 @@ void wxWindowBase::SetSizerAndFit(wxSizer *sizer, bool deleteOld) sizer->SetSizeHints( (wxWindow*) this ); } + +void wxWindowBase::SetContainingSizer(wxSizer* sizer) +{ + // adding a window to a sizer twice is going to result in fatal and + // hard to debug problems later because when deleting the second + // associated wxSizerItem we're going to dereference a dangling + // pointer; so try to detect this as early as possible + wxASSERT_MSG( !sizer || m_containingSizer != sizer, + _T("Adding a window to the same sizer twice?") ); + + m_containingSizer = sizer; +} + +#if wxUSE_CONSTRAINTS + +void wxWindowBase::SatisfyConstraints() +{ + wxLayoutConstraints *constr = GetConstraints(); + bool wasOk = constr && constr->AreSatisfied(); + + ResetConstraints(); // Mark all constraints as unevaluated + + int noChanges = 1; + + // if we're a top level panel (i.e. our parent is frame/dialog), our + // own constraints will never be satisfied any more unless we do it + // here + if ( wasOk ) + { + while ( noChanges > 0 ) + { + LayoutPhase1(&noChanges); + } + } + + LayoutPhase2(&noChanges); +} + +#endif // wxUSE_CONSTRAINTS + bool wxWindowBase::Layout() { // If there is a sizer, use it instead of the constraints if ( GetSizer() ) { - int w, h; + int w = 0, h = 0; GetVirtualSize(&w, &h); GetSizer()->SetDimension( 0, 0, w, h ); } #if wxUSE_CONSTRAINTS else { - wxLayoutConstraints *constr = GetConstraints(); - bool wasOk = constr && constr->AreSatisfied(); - - ResetConstraints(); // Mark all constraints as unevaluated - - // if we're a top level panel (i.e. our parent is frame/dialog), our - // own constraints will never be satisfied any more unless we do it - // here - if ( wasOk ) - { - int noChanges = 1; - while ( noChanges > 0 ) - { - constr->SatisfyConstraints(this, &noChanges); - } - } - - DoPhase(1); // Layout children - DoPhase(2); // Layout grand children + SatisfyConstraints(); // Find the right constraints values SetConstraintSizes(); // Recursively set the real window sizes } #endif - return TRUE; + return true; } #if wxUSE_CONSTRAINTS -// Do a phase of evaluating constraints: the default behaviour. wxSizers may -// do a similar thing, but also impose their own 'constraints' and order the -// evaluation differently. + +// first phase of the constraints evaluation: set our own constraints bool wxWindowBase::LayoutPhase1(int *noChanges) { wxLayoutConstraints *constr = GetConstraints(); - if ( constr ) - { - return constr->SatisfyConstraints(this, noChanges); - } - else - return TRUE; + + return !constr || constr->SatisfyConstraints(this, noChanges); } +// second phase: set the constraints for our children bool wxWindowBase::LayoutPhase2(int *noChanges) { *noChanges = 0; // Layout children DoPhase(1); + + // Layout grand children DoPhase(2); - return TRUE; + + return true; } // Do a phase of evaluating child constraints bool wxWindowBase::DoPhase(int phase) { - int noIterations = 0; - int maxIterations = 500; - int noChanges = 1; - int noFailures = 0; + // the list containing the children for which the constraints are already + // set correctly wxWindowList succeeded; - while ((noChanges > 0) && (noIterations < maxIterations)) + + // the max number of iterations we loop before concluding that we can't set + // the constraints + static const int maxIterations = 500; + + for ( int noIterations = 0; noIterations < maxIterations; noIterations++ ) { - noChanges = 0; - noFailures = 0; - wxWindowList::Node *node = GetChildren().GetFirst(); - while (node) + int noChanges = 0; + + // loop over all children setting their constraints + for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst(); + node; + node = node->GetNext() ) { wxWindow *child = node->GetData(); - if ( !child->IsTopLevel() ) + if ( child->IsTopLevel() ) { - wxLayoutConstraints *constr = child->GetConstraints(); - if ( constr ) - { - if ( !succeeded.Find(child) ) - { - int tempNoChanges = 0; - bool success = ( (phase == 1) ? child->LayoutPhase1(&tempNoChanges) : child->LayoutPhase2(&tempNoChanges) ) ; - noChanges += tempNoChanges; - if ( success ) - { - succeeded.Append(child); - } - } - } + // top level children are not inside our client area + continue; + } + + if ( !child->GetConstraints() || succeeded.Find(child) ) + { + // this one is either already ok or nothing we can do about it + continue; + } + + int tempNoChanges = 0; + bool success = phase == 1 ? child->LayoutPhase1(&tempNoChanges) + : child->LayoutPhase2(&tempNoChanges); + noChanges += tempNoChanges; + + if ( success ) + { + succeeded.Append(child); } - node = node->GetNext(); } - noIterations++; + if ( !noChanges ) + { + // constraints are set + break; + } } - return TRUE; + return true; } void wxWindowBase::ResetConstraints() @@ -1350,17 +1837,17 @@ void wxWindowBase::ResetConstraints() wxLayoutConstraints *constr = GetConstraints(); if ( constr ) { - constr->left.SetDone(FALSE); - constr->top.SetDone(FALSE); - constr->right.SetDone(FALSE); - constr->bottom.SetDone(FALSE); - constr->width.SetDone(FALSE); - constr->height.SetDone(FALSE); - constr->centreX.SetDone(FALSE); - constr->centreY.SetDone(FALSE); + constr->left.SetDone(false); + constr->top.SetDone(false); + constr->right.SetDone(false); + constr->bottom.SetDone(false); + constr->width.SetDone(false); + constr->height.SetDone(false); + constr->centreX.SetDone(false); + constr->centreY.SetDone(false); } - wxWindowList::Node *node = GetChildren().GetFirst(); + wxWindowList::compatibility_iterator node = GetChildren().GetFirst(); while (node) { wxWindow *win = node->GetData(); @@ -1402,7 +1889,7 @@ void wxWindowBase::SetConstraintSizes(bool recurse) if ( recurse ) { - wxWindowList::Node *node = GetChildren().GetFirst(); + wxWindowList::compatibility_iterator node = GetChildren().GetFirst(); while (node) { wxWindow *win = node->GetData(); @@ -1419,25 +1906,25 @@ void wxWindowBase::SetSizeConstraint(int x, int y, int w, int h) wxLayoutConstraints *constr = GetConstraints(); if ( constr ) { - if ( x != -1 ) + if ( x != wxDefaultCoord ) { constr->left.SetValue(x); - constr->left.SetDone(TRUE); + constr->left.SetDone(true); } - if ( y != -1 ) + if ( y != wxDefaultCoord ) { constr->top.SetValue(y); - constr->top.SetDone(TRUE); + constr->top.SetDone(true); } - if ( w != -1 ) + if ( w != wxDefaultCoord ) { constr->width.SetValue(w); - constr->width.SetDone(TRUE); + constr->width.SetDone(true); } - if ( h != -1 ) + if ( h != wxDefaultCoord ) { constr->height.SetValue(h); - constr->height.SetDone(TRUE); + constr->height.SetDone(true); } } } @@ -1447,15 +1934,15 @@ void wxWindowBase::MoveConstraint(int x, int y) wxLayoutConstraints *constr = GetConstraints(); if ( constr ) { - if ( x != -1 ) + if ( x != wxDefaultCoord ) { constr->left.SetValue(x); - constr->left.SetDone(TRUE); + constr->left.SetDone(true); } - if ( y != -1 ) + if ( y != wxDefaultCoord ) { constr->top.SetValue(y); - constr->top.SetDone(TRUE); + constr->top.SetDone(true); } } } @@ -1518,56 +2005,54 @@ void wxWindowBase::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags) co // do Update UI processing for child controls // ---------------------------------------------------------------------------- -// TODO: should this be implemented for the child window rather -// than the parent? Then you can override it e.g. for wxCheckBox -// to do the Right Thing rather than having to assume a fixed number -// of control classes. -void wxWindowBase::UpdateWindowUI() +void wxWindowBase::UpdateWindowUI(long flags) { -#if wxUSE_CONTROLS wxUpdateUIEvent event(GetId()); - event.m_eventObject = this; + event.SetEventObject(this); if ( GetEventHandler()->ProcessEvent(event) ) { - if ( event.GetSetEnabled() ) - Enable(event.GetEnabled()); + DoUpdateWindowUI(event); + } - if ( event.GetSetText() ) + if (flags & wxUPDATE_UI_RECURSE) + { + wxWindowList::compatibility_iterator node = GetChildren().GetFirst(); + while (node) { - wxControl *control = wxDynamicCastThis(wxControl); - if ( control ) - { -#if wxUSE_TEXTCTRL - wxTextCtrl *text = wxDynamicCast(control, wxTextCtrl); - if ( text ) - text->SetValue(event.GetText()); - else -#endif // wxUSE_TEXTCTRL - control->SetLabel(event.GetText()); - } + wxWindow* child = (wxWindow*) node->GetData(); + child->UpdateWindowUI(flags); + node = node->GetNext(); } + } +} -#if wxUSE_CHECKBOX - wxCheckBox *checkbox = wxDynamicCastThis(wxCheckBox); - if ( checkbox ) - { - if ( event.GetSetChecked() ) - checkbox->SetValue(event.GetChecked()); - } -#endif // wxUSE_CHECKBOX +// do the window-specific processing after processing the update event +void wxWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event) +{ + if ( event.GetSetEnabled() ) + Enable(event.GetEnabled()); -#if wxUSE_RADIOBTN - wxRadioButton *radiobtn = wxDynamicCastThis(wxRadioButton); - if ( radiobtn ) - { - if ( event.GetSetChecked() ) - radiobtn->SetValue(event.GetChecked()); - } -#endif // wxUSE_RADIOBTN + if ( event.GetSetShown() ) + Show(event.GetShown()); +} + +#if 0 +// call internal idle recursively +// may be obsolete (wait until OnIdle scheme stabilises) +void wxWindowBase::ProcessInternalIdle() +{ + OnInternalIdle(); + + wxWindowList::compatibility_iterator node = GetChildren().GetFirst(); + while (node) + { + wxWindow *child = node->GetData(); + child->ProcessInternalIdle(); + node = node->GetNext(); } -#endif // wxUSE_CONTROLS } +#endif // ---------------------------------------------------------------------------- // dialog units translations @@ -1577,11 +2062,11 @@ wxPoint wxWindowBase::ConvertPixelsToDialog(const wxPoint& pt) { int charWidth = GetCharWidth(); int charHeight = GetCharHeight(); - wxPoint pt2(-1, -1); - if (pt.x != -1) - pt2.x = (int) ((pt.x * 4) / charWidth) ; - if (pt.y != -1) - pt2.y = (int) ((pt.y * 8) / charHeight) ; + wxPoint pt2 = wxDefaultPosition; + if (pt.x != wxDefaultCoord) + pt2.x = (int) ((pt.x * 4) / charWidth); + if (pt.y != wxDefaultCoord) + pt2.y = (int) ((pt.y * 8) / charHeight); return pt2; } @@ -1590,11 +2075,11 @@ wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt) { int charWidth = GetCharWidth(); int charHeight = GetCharHeight(); - wxPoint pt2(-1, -1); - if (pt.x != -1) - pt2.x = (int) ((pt.x * charWidth) / 4) ; - if (pt.y != -1) - pt2.y = (int) ((pt.y * charHeight) / 8) ; + wxPoint pt2 = wxDefaultPosition; + if (pt.x != wxDefaultCoord) + pt2.x = (int) ((pt.x * charWidth) / 4); + if (pt.y != wxDefaultCoord) + pt2.y = (int) ((pt.y * charHeight) / 8); return pt2; } @@ -1606,7 +2091,7 @@ wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt) // propagate the colour change event to the subwindows void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& event) { - wxWindowList::Node *node = GetChildren().GetFirst(); + wxWindowList::compatibility_iterator node = GetChildren().GetFirst(); while ( node ) { // Only propagate to non-top-level windows @@ -1614,75 +2099,135 @@ void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& event) if ( !win->IsTopLevel() ) { wxSysColourChangedEvent event2; - event.m_eventObject = win; + event.SetEventObject(win); win->GetEventHandler()->ProcessEvent(event2); } node = node->GetNext(); } + + Refresh(); } -// the default action is to populate dialog with data when it's created +// the default action is to populate dialog with data when it's created, +// and nudge the UI into displaying itself correctly in case +// we've turned the wxUpdateUIEvents frequency down low. void wxWindowBase::OnInitDialog( wxInitDialogEvent &WXUNUSED(event) ) { TransferDataToWindow(); + + // Update the UI at this point + UpdateWindowUI(wxUPDATE_UI_RECURSE); } -// process Ctrl-Alt-mclick -void wxWindowBase::OnMiddleClick( wxMouseEvent& event ) +// methods for drawing the sizers in a visible way +#ifdef __WXDEBUG__ + +static void DrawSizers(wxWindowBase *win); + +static void DrawBorder(wxWindowBase *win, const wxRect& rect, bool fill = false) { -#if wxUSE_MSGDLG - if ( event.ControlDown() && event.AltDown() ) + wxClientDC dc((wxWindow *)win); + dc.SetPen(*wxRED_PEN); + dc.SetBrush(fill ? wxBrush(*wxRED, wxCROSSDIAG_HATCH): *wxTRANSPARENT_BRUSH); + dc.DrawRectangle(rect.Deflate(1, 1)); +} + +static void DrawSizer(wxWindowBase *win, wxSizer *sizer) +{ + const wxSizerItemList& items = sizer->GetChildren(); + for ( wxSizerItemList::const_iterator i = items.begin(), + end = items.end(); + i != end; + ++i ) + { + wxSizerItem *item = *i; + if ( item->IsSizer() ) + { + DrawBorder(win, item->GetRect().Deflate(2)); + DrawSizer(win, item->GetSizer()); + } + else if ( item->IsSpacer() ) + { + DrawBorder(win, item->GetRect().Deflate(2), true); + } + else if ( item->IsWindow() ) + { + DrawSizers(item->GetWindow()); + } + } +} + +static void DrawSizers(wxWindowBase *win) +{ + wxSizer *sizer = win->GetSizer(); + if ( sizer ) { - // don't translate these strings - wxString port; + DrawBorder(win, win->GetClientSize()); + DrawSizer(win, sizer); + } + else // no sizer, still recurse into the children + { + const wxWindowList& children = win->GetChildren(); + for ( wxWindowList::const_iterator i = children.begin(), + end = children.end(); + i != end; + ++i ) + { + DrawSizers(*i); + } + } +} -#ifdef __WXUNIVERSAL__ - port = _T("Univ/"); -#endif // __WXUNIVERSAL__ +#endif // __WXDEBUG__ - switch ( wxGetOsVersion() ) +// process special middle clicks +void wxWindowBase::OnMiddleClick( wxMouseEvent& event ) +{ + if ( event.ControlDown() && event.AltDown() ) + { +#ifdef __WXDEBUG__ + // Ctrl-Alt-Shift-mclick makes the sizers visible in debug builds + if ( event.ShiftDown() ) { - case wxMOTIF_X: port = _T("Motif"); break; - case wxMAC: - case wxMAC_DARWIN: port = _T("Mac"); break; - case wxBEOS: port = _T("BeOS"); break; - case wxGTK: - case wxGTK_WIN32: - case wxGTK_OS2: - case wxGTK_BEOS: port = _T("GTK"); break; - case wxWINDOWS: - case wxPENWINDOWS: - case wxWINDOWS_NT: - case wxWIN32S: - case wxWIN95: - case wxWIN386: port = _T("MS Windows"); break; - case wxMGL_UNIX: - case wxMGL_X: - case wxMGL_WIN32: - case wxMGL_OS2: port = _T("MGL"); break; - case wxWINDOWS_OS2: - case wxOS2_PM: port = _T("OS/2"); break; - default: port = _T("unknown"); break; + DrawSizers(this); + return; } +#endif // __WXDEBUG__ - wxMessageBox(wxString::Format( - _T( - " wxWindows Library (%s port)\nVersion %u.%u.%u%s, compiled at %s %s\n Copyright (c) 1995-2002 wxWindows team" - ), - port.c_str(), - wxMAJOR_VERSION, - wxMINOR_VERSION, - wxRELEASE_NUMBER, +#if wxUSE_MSGDLG + // don't translate these strings, they're for diagnostics purposes only + wxString msg; + msg.Printf(_T("wxWidgets Library (%s port)\n") + _T("Version %d.%d.%d%s%s, compiled at %s %s\n") + _T("Runtime version of toolkit used is %d.%d.%s\n") + _T("Copyright (c) 1995-2006 wxWidgets team"), + wxPlatformInfo::Get().GetPortIdName().c_str(), + wxMAJOR_VERSION, + wxMINOR_VERSION, + wxRELEASE_NUMBER, #if wxUSE_UNICODE - L" (Unicode)", + L" (Unicode)", +#else + wxEmptyString, +#endif +#ifdef __WXDEBUG__ + _T(" Debug build"), #else - "", + wxEmptyString, #endif - __TDATE__, - __TTIME__ - ), - _T("wxWindows information"), + __TDATE__, + __TTIME__, + wxPlatformInfo::Get().GetToolkitMajorVersion(), + wxPlatformInfo::Get().GetToolkitMinorVersion(), +#ifdef __WXGTK__ + wxString::Format(_T("\nThe compile-time GTK+ version is %d.%d.%d."), GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION).c_str() +#else + wxEmptyString +#endif + ); + + wxMessageBox(msg, _T("wxWidgets information"), wxICON_INFORMATION | wxOK, (wxWindow *)this); } @@ -1693,22 +2238,61 @@ void wxWindowBase::OnMiddleClick( wxMouseEvent& event ) } } +// ---------------------------------------------------------------------------- +// accessibility +// ---------------------------------------------------------------------------- + +#if wxUSE_ACCESSIBILITY +void wxWindowBase::SetAccessible(wxAccessible* accessible) +{ + if (m_accessible && (accessible != m_accessible)) + delete m_accessible; + m_accessible = accessible; + if (m_accessible) + m_accessible->SetWindow((wxWindow*) this); +} + +// Returns the accessible object, creating if necessary. +wxAccessible* wxWindowBase::GetOrCreateAccessible() +{ + if (!m_accessible) + m_accessible = CreateAccessible(); + return m_accessible; +} + +// Override to create a specific accessible object. +wxAccessible* wxWindowBase::CreateAccessible() +{ + return new wxWindowAccessible((wxWindow*) this); +} + +#endif + // ---------------------------------------------------------------------------- // list classes implementation // ---------------------------------------------------------------------------- +#if wxUSE_STL + +#include "wx/listimpl.cpp" +WX_DEFINE_LIST(wxWindowList) + +#else + void wxWindowListNode::DeleteData() { delete (wxWindow *)GetData(); } +#endif + // ---------------------------------------------------------------------------- // borders // ---------------------------------------------------------------------------- -wxBorder wxWindowBase::GetBorder() const +wxBorder wxWindowBase::GetBorder(long flags) const { - wxBorder border = (wxBorder)(m_windowStyle & wxBORDER_MASK); + wxBorder border = (wxBorder)(flags & wxBORDER_MASK); if ( border == wxBORDER_DEFAULT ) { border = GetDefaultBorder(); @@ -1751,16 +2335,22 @@ struct WXDLLEXPORT wxWindowNext wxWindow *win; wxWindowNext *next; } *wxWindowBase::ms_winCaptureNext = NULL; +wxWindow *wxWindowBase::ms_winCaptureCurrent = NULL; +bool wxWindowBase::ms_winCaptureChanging = false; void wxWindowBase::CaptureMouse() { - wxLogTrace(_T("mousecapture"), _T("CaptureMouse(0x%08x)"), this); + wxLogTrace(_T("mousecapture"), _T("CaptureMouse(%p)"), wx_static_cast(void*, this)); + + wxASSERT_MSG( !ms_winCaptureChanging, _T("recursive CaptureMouse call?") ); + + ms_winCaptureChanging = true; wxWindow *winOld = GetCapture(); if ( winOld ) { ((wxWindowBase*) winOld)->DoReleaseMouse(); - + // save it on stack wxWindowNext *item = new wxWindowNext; item->win = winOld; @@ -1770,29 +2360,214 @@ void wxWindowBase::CaptureMouse() //else: no mouse capture to save DoCaptureMouse(); + ms_winCaptureCurrent = (wxWindow*)this; + + ms_winCaptureChanging = false; } void wxWindowBase::ReleaseMouse() { - wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(0x%08x)"), this); + wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(%p)"), wx_static_cast(void*, this)); + + wxASSERT_MSG( !ms_winCaptureChanging, _T("recursive ReleaseMouse call?") ); + + wxASSERT_MSG( GetCapture() == this, wxT("attempt to release mouse, but this window hasn't captured it") ); - wxASSERT_MSG( GetCapture() == this, wxT("attempt to release mouse, but this window hasn't captured it") ) + ms_winCaptureChanging = true; DoReleaseMouse(); + ms_winCaptureCurrent = NULL; if ( ms_winCaptureNext ) { ((wxWindowBase*)ms_winCaptureNext->win)->DoCaptureMouse(); - + ms_winCaptureCurrent = ms_winCaptureNext->win; + wxWindowNext *item = ms_winCaptureNext; ms_winCaptureNext = item->next; delete item; } //else: stack is empty, no previous capture + ms_winCaptureChanging = false; + wxLogTrace(_T("mousecapture"), - _T("After ReleaseMouse() mouse is captured by 0x%08x"), - GetCapture()); + (const wxChar *) _T("After ReleaseMouse() mouse is captured by %p"), + wx_static_cast(void*, GetCapture())); +} + +static void DoNotifyWindowAboutCaptureLost(wxWindow *win) +{ + wxMouseCaptureLostEvent event(win->GetId()); + event.SetEventObject(win); + if ( !win->GetEventHandler()->ProcessEvent(event) ) + { + wxFAIL_MSG( _T("window that captured the mouse didn't process wxEVT_MOUSE_CAPTURE_LOST") ); + } +} + +/* static */ +void wxWindowBase::NotifyCaptureLost() +{ + // don't do anything if capture lost was expected, i.e. resulted from + // a wx call to ReleaseMouse or CaptureMouse: + if ( ms_winCaptureChanging ) + return; + + // if the capture was lost unexpectedly, notify every window that has + // capture (on stack or current) about it and clear the stack: + + if ( ms_winCaptureCurrent ) + { + DoNotifyWindowAboutCaptureLost(ms_winCaptureCurrent); + ms_winCaptureCurrent = NULL; + } + + while ( ms_winCaptureNext ) + { + wxWindowNext *item = ms_winCaptureNext; + ms_winCaptureNext = item->next; + + DoNotifyWindowAboutCaptureLost(item->win); + + delete item; + } +} + +#if wxUSE_HOTKEY + +bool +wxWindowBase::RegisterHotKey(int WXUNUSED(hotkeyId), + int WXUNUSED(modifiers), + int WXUNUSED(keycode)) +{ + // not implemented + return false; +} + +bool wxWindowBase::UnregisterHotKey(int WXUNUSED(hotkeyId)) +{ + // not implemented + return false; +} + +#endif // wxUSE_HOTKEY + +void wxWindowBase::SendDestroyEvent() +{ + wxWindowDestroyEvent event; + event.SetEventObject(this); + event.SetId(GetId()); + GetEventHandler()->ProcessEvent(event); +} + +// ---------------------------------------------------------------------------- +// event processing +// ---------------------------------------------------------------------------- + +bool wxWindowBase::TryValidator(wxEvent& wxVALIDATOR_PARAM(event)) +{ +#if wxUSE_VALIDATORS + // Can only use the validator of the window which + // is receiving the event + if ( event.GetEventObject() == this ) + { + wxValidator *validator = GetValidator(); + if ( validator && validator->ProcessEvent(event) ) + { + return true; + } + } +#endif // wxUSE_VALIDATORS + + return false; +} + +bool wxWindowBase::TryParent(wxEvent& event) +{ + // carry on up the parent-child hierarchy if the propagation count hasn't + // reached zero yet + if ( event.ShouldPropagate() ) + { + // honour the requests to stop propagation at this window: this is + // used by the dialogs, for example, to prevent processing the events + // from the dialog controls in the parent frame which rarely, if ever, + // makes sense + if ( !(GetExtraStyle() & wxWS_EX_BLOCK_EVENTS) ) + { + wxWindow *parent = GetParent(); + if ( parent && !parent->IsBeingDeleted() ) + { + wxPropagateOnce propagateOnce(event); + + return parent->GetEventHandler()->ProcessEvent(event); + } + } + } + + return wxEvtHandler::TryParent(event); +} + +// ---------------------------------------------------------------------------- +// keyboard navigation +// ---------------------------------------------------------------------------- + +// Navigates in the specified direction. +bool wxWindowBase::Navigate(int flags) +{ + wxNavigationKeyEvent eventNav; + eventNav.SetFlags(flags); + eventNav.SetEventObject(this); + if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) ) + { + return true; + } + return false; +} + +void wxWindowBase::DoMoveInTabOrder(wxWindow *win, MoveKind move) +{ + // check that we're not a top level window + wxCHECK_RET( GetParent(), + _T("MoveBefore/AfterInTabOrder() don't work for TLWs!") ); + + // detect the special case when we have nothing to do anyhow and when the + // code below wouldn't work + if ( win == this ) + return; + + // find the target window in the siblings list + wxWindowList& siblings = GetParent()->GetChildren(); + wxWindowList::compatibility_iterator i = siblings.Find(win); + wxCHECK_RET( i, _T("MoveBefore/AfterInTabOrder(): win is not a sibling") ); + + // unfortunately, when wxUSE_STL == 1 DetachNode() is not implemented so we + // can't just move the node around + wxWindow *self = (wxWindow *)this; + siblings.DeleteObject(self); + if ( move == MoveAfter ) + { + i = i->GetNext(); + } + + if ( i ) + { + siblings.Insert(i, self); + } + else // MoveAfter and win was the last sibling + { + siblings.Append(self); + } +} + +// ---------------------------------------------------------------------------- +// focus handling +// ---------------------------------------------------------------------------- + +/*static*/ wxWindow* wxWindowBase::FindFocus() +{ + wxWindowBase *win = DoFindFocus(); + return win ? win->GetMainWindowOfCompositeControl() : NULL; } // ---------------------------------------------------------------------------- @@ -1807,3 +2582,445 @@ wxWindow* wxGetTopLevelParent(wxWindow *win) return win; } +#if wxUSE_ACCESSIBILITY +// ---------------------------------------------------------------------------- +// accessible object for windows +// ---------------------------------------------------------------------------- + +// Can return either a child object, or an integer +// representing the child element, starting from 1. +wxAccStatus wxWindowAccessible::HitTest(const wxPoint& WXUNUSED(pt), int* WXUNUSED(childId), wxAccessible** WXUNUSED(childObject)) +{ + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; + + return wxACC_NOT_IMPLEMENTED; +} + +// Returns the rectangle for this object (id = 0) or a child element (id > 0). +wxAccStatus wxWindowAccessible::GetLocation(wxRect& rect, int elementId) +{ + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; + + wxWindow* win = NULL; + if (elementId == 0) + { + win = GetWindow(); + } + else + { + if (elementId <= (int) GetWindow()->GetChildren().GetCount()) + { + win = GetWindow()->GetChildren().Item(elementId-1)->GetData(); + } + else + return wxACC_FAIL; + } + if (win) + { + rect = win->GetRect(); + if (win->GetParent() && !win->IsKindOf(CLASSINFO(wxTopLevelWindow))) + rect.SetPosition(win->GetParent()->ClientToScreen(rect.GetPosition())); + return wxACC_OK; + } + + return wxACC_NOT_IMPLEMENTED; +} + +// Navigates from fromId to toId/toObject. +wxAccStatus wxWindowAccessible::Navigate(wxNavDir navDir, int fromId, + int* WXUNUSED(toId), wxAccessible** toObject) +{ + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; + + switch (navDir) + { + case wxNAVDIR_FIRSTCHILD: + { + if (GetWindow()->GetChildren().GetCount() == 0) + return wxACC_FALSE; + wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().GetFirst()->GetData(); + *toObject = childWindow->GetOrCreateAccessible(); + + return wxACC_OK; + } + case wxNAVDIR_LASTCHILD: + { + if (GetWindow()->GetChildren().GetCount() == 0) + return wxACC_FALSE; + wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().GetLast()->GetData(); + *toObject = childWindow->GetOrCreateAccessible(); + + return wxACC_OK; + } + case wxNAVDIR_RIGHT: + case wxNAVDIR_DOWN: + case wxNAVDIR_NEXT: + { + wxWindowList::compatibility_iterator node = + wxWindowList::compatibility_iterator(); + if (fromId == 0) + { + // Can't navigate to sibling of this window + // if we're a top-level window. + if (!GetWindow()->GetParent()) + return wxACC_NOT_IMPLEMENTED; + + node = GetWindow()->GetParent()->GetChildren().Find(GetWindow()); + } + else + { + if (fromId <= (int) GetWindow()->GetChildren().GetCount()) + node = GetWindow()->GetChildren().Item(fromId-1); + } + + if (node && node->GetNext()) + { + wxWindow* nextWindow = node->GetNext()->GetData(); + *toObject = nextWindow->GetOrCreateAccessible(); + return wxACC_OK; + } + else + return wxACC_FALSE; + } + case wxNAVDIR_LEFT: + case wxNAVDIR_UP: + case wxNAVDIR_PREVIOUS: + { + wxWindowList::compatibility_iterator node = + wxWindowList::compatibility_iterator(); + if (fromId == 0) + { + // Can't navigate to sibling of this window + // if we're a top-level window. + if (!GetWindow()->GetParent()) + return wxACC_NOT_IMPLEMENTED; + + node = GetWindow()->GetParent()->GetChildren().Find(GetWindow()); + } + else + { + if (fromId <= (int) GetWindow()->GetChildren().GetCount()) + node = GetWindow()->GetChildren().Item(fromId-1); + } + + if (node && node->GetPrevious()) + { + wxWindow* previousWindow = node->GetPrevious()->GetData(); + *toObject = previousWindow->GetOrCreateAccessible(); + return wxACC_OK; + } + else + return wxACC_FALSE; + } + } + + return wxACC_NOT_IMPLEMENTED; +} + +// Gets the name of the specified object. +wxAccStatus wxWindowAccessible::GetName(int childId, wxString* name) +{ + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; + + wxString title; + + // If a child, leave wxWidgets to call the function on the actual + // child object. + if (childId > 0) + return wxACC_NOT_IMPLEMENTED; + + // This will eventually be replaced by specialised + // accessible classes, one for each kind of wxWidgets + // control or window. +#if wxUSE_BUTTON + if (GetWindow()->IsKindOf(CLASSINFO(wxButton))) + title = ((wxButton*) GetWindow())->GetLabel(); + else +#endif + title = GetWindow()->GetName(); + + if (!title.empty()) + { + *name = title; + return wxACC_OK; + } + else + return wxACC_NOT_IMPLEMENTED; +} + +// Gets the number of children. +wxAccStatus wxWindowAccessible::GetChildCount(int* childId) +{ + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; + + *childId = (int) GetWindow()->GetChildren().GetCount(); + return wxACC_OK; +} + +// Gets the specified child (starting from 1). +// If *child is NULL and return value is wxACC_OK, +// this means that the child is a simple element and +// not an accessible object. +wxAccStatus wxWindowAccessible::GetChild(int childId, wxAccessible** child) +{ + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; + + if (childId == 0) + { + *child = this; + return wxACC_OK; + } + + if (childId > (int) GetWindow()->GetChildren().GetCount()) + return wxACC_FAIL; + + wxWindow* childWindow = GetWindow()->GetChildren().Item(childId-1)->GetData(); + *child = childWindow->GetOrCreateAccessible(); + if (*child) + return wxACC_OK; + else + return wxACC_FAIL; +} + +// Gets the parent, or NULL. +wxAccStatus wxWindowAccessible::GetParent(wxAccessible** parent) +{ + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; + + wxWindow* parentWindow = GetWindow()->GetParent(); + if (!parentWindow) + { + *parent = NULL; + return wxACC_OK; + } + else + { + *parent = parentWindow->GetOrCreateAccessible(); + if (*parent) + return wxACC_OK; + else + return wxACC_FAIL; + } +} + +// Performs the default action. childId is 0 (the action for this object) +// or > 0 (the action for a child). +// Return wxACC_NOT_SUPPORTED if there is no default action for this +// window (e.g. an edit control). +wxAccStatus wxWindowAccessible::DoDefaultAction(int WXUNUSED(childId)) +{ + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; + + return wxACC_NOT_IMPLEMENTED; +} + +// Gets the default action for this object (0) or > 0 (the action for a child). +// Return wxACC_OK even if there is no action. actionName is the action, or the empty +// string if there is no action. +// The retrieved string describes the action that is performed on an object, +// not what the object does as a result. For example, a toolbar button that prints +// a document has a default action of "Press" rather than "Prints the current document." +wxAccStatus wxWindowAccessible::GetDefaultAction(int WXUNUSED(childId), wxString* WXUNUSED(actionName)) +{ + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; + + return wxACC_NOT_IMPLEMENTED; +} + +// Returns the description for this object or a child. +wxAccStatus wxWindowAccessible::GetDescription(int WXUNUSED(childId), wxString* description) +{ + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; + + wxString ht(GetWindow()->GetHelpTextAtPoint(wxDefaultPosition, wxHelpEvent::Origin_Keyboard)); + if (!ht.empty()) + { + *description = ht; + return wxACC_OK; + } + return wxACC_NOT_IMPLEMENTED; +} + +// Returns help text for this object or a child, similar to tooltip text. +wxAccStatus wxWindowAccessible::GetHelpText(int WXUNUSED(childId), wxString* helpText) +{ + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; + + wxString ht(GetWindow()->GetHelpTextAtPoint(wxDefaultPosition, wxHelpEvent::Origin_Keyboard)); + if (!ht.empty()) + { + *helpText = ht; + return wxACC_OK; + } + return wxACC_NOT_IMPLEMENTED; +} + +// Returns the keyboard shortcut for this object or child. +// Return e.g. ALT+K +wxAccStatus wxWindowAccessible::GetKeyboardShortcut(int WXUNUSED(childId), wxString* WXUNUSED(shortcut)) +{ + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; + + return wxACC_NOT_IMPLEMENTED; +} + +// Returns a role constant. +wxAccStatus wxWindowAccessible::GetRole(int childId, wxAccRole* role) +{ + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; + + // If a child, leave wxWidgets to call the function on the actual + // child object. + if (childId > 0) + return wxACC_NOT_IMPLEMENTED; + + if (GetWindow()->IsKindOf(CLASSINFO(wxControl))) + return wxACC_NOT_IMPLEMENTED; +#if wxUSE_STATUSBAR + if (GetWindow()->IsKindOf(CLASSINFO(wxStatusBar))) + return wxACC_NOT_IMPLEMENTED; +#endif +#if wxUSE_TOOLBAR + if (GetWindow()->IsKindOf(CLASSINFO(wxToolBar))) + return wxACC_NOT_IMPLEMENTED; +#endif + + //*role = wxROLE_SYSTEM_CLIENT; + *role = wxROLE_SYSTEM_CLIENT; + return wxACC_OK; + + #if 0 + return wxACC_NOT_IMPLEMENTED; + #endif +} + +// Returns a state constant. +wxAccStatus wxWindowAccessible::GetState(int childId, long* state) +{ + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; + + // If a child, leave wxWidgets to call the function on the actual + // child object. + if (childId > 0) + return wxACC_NOT_IMPLEMENTED; + + if (GetWindow()->IsKindOf(CLASSINFO(wxControl))) + return wxACC_NOT_IMPLEMENTED; + +#if wxUSE_STATUSBAR + if (GetWindow()->IsKindOf(CLASSINFO(wxStatusBar))) + return wxACC_NOT_IMPLEMENTED; +#endif +#if wxUSE_TOOLBAR + if (GetWindow()->IsKindOf(CLASSINFO(wxToolBar))) + return wxACC_NOT_IMPLEMENTED; +#endif + + *state = 0; + return wxACC_OK; + + #if 0 + return wxACC_NOT_IMPLEMENTED; + #endif +} + +// Returns a localized string representing the value for the object +// or child. +wxAccStatus wxWindowAccessible::GetValue(int WXUNUSED(childId), wxString* WXUNUSED(strValue)) +{ + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; + + return wxACC_NOT_IMPLEMENTED; +} + +// Selects the object or child. +wxAccStatus wxWindowAccessible::Select(int WXUNUSED(childId), wxAccSelectionFlags WXUNUSED(selectFlags)) +{ + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; + + return wxACC_NOT_IMPLEMENTED; +} + +// Gets the window with the keyboard focus. +// If childId is 0 and child is NULL, no object in +// this subhierarchy has the focus. +// If this object has the focus, child should be 'this'. +wxAccStatus wxWindowAccessible::GetFocus(int* WXUNUSED(childId), wxAccessible** WXUNUSED(child)) +{ + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; + + return wxACC_NOT_IMPLEMENTED; +} + +#if wxUSE_VARIANT +// Gets a variant representing the selected children +// of this object. +// Acceptable values: +// - a null variant (IsNull() returns true) +// - a list variant (GetType() == wxT("list") +// - an integer representing the selected child element, +// or 0 if this object is selected (GetType() == wxT("long") +// - a "void*" pointer to a wxAccessible child object +wxAccStatus wxWindowAccessible::GetSelections(wxVariant* WXUNUSED(selections)) +{ + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; + + return wxACC_NOT_IMPLEMENTED; +} +#endif // wxUSE_VARIANT + +#endif // wxUSE_ACCESSIBILITY + +// ---------------------------------------------------------------------------- +// RTL support +// ---------------------------------------------------------------------------- + +wxCoord +wxWindowBase::AdjustForLayoutDirection(wxCoord x, + wxCoord width, + wxCoord widthTotal) const +{ + if ( GetLayoutDirection() == wxLayout_RightToLeft ) + { + x = widthTotal - x - width; + } + + return x; +} +